Can you try flushing old arp enteries on WAN device?

Looks like you have port channel configured. Can you please check the status of this portchannel and...

Can you please share the configuration and topology diagram of your setup?

Can you please confirm if both the devices are directly connected?Please share output of 'show ip os...

Can you please share the config of your ASA

Can you share output of 'route-n' and 'iptables -nL' from your Linux server.@pokito123 wrote:Hello g...

Is there a default route existing on your source router?

Can you please paste output of 'Show ip eigrp nei' from 1-2 devices. This should give a hint if eigr...

Important is to make sure we align STP Root and HSRP Primary router or else we will end up with sub ...

seems like you have ospf to bgp redistribution enabled on router B as well.IGP when redistributed to...

That should be 128.If this number is a problem, you can go with MST

Can you please share ospf and bgp config of both router A and router B.Also, please share 'show ip r...

If we make sure Root Guard is configured on existing Root switch, any new switch in picture (even wi...

Only best routes are advertised to neighbor's over Bgp.